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Mastering Mono: A Beginner’s Guide to Cross-Platform C# Development on Debian 10

If you are new to programming or simply looking to explore new tools and languages, Mono is an excellent place to start. Mono is a totally free and open-source implementation of Microsoft’s .NET Framework that allows for the cross-platform development of C# and .NET-based applications.

Mono can be installed on various operating systems, including Linux, macOS, BSD, Solaris, and Windows, and is compatible with a wide range of programming languages and frameworks. This article will focus on the installation and usage of Mono on Debian 10.

We will start by outlining the prerequisites for a successful installation, then go on to describe the entire installation process. Finally, we will also provide step-by-step instructions on building a Hello World program with Mono.

Installing Mono on Debian 10

Prerequisites

Before proceeding with the installation process, ensure that you have root or sudo privileges on your system. This will allow you to install and update packages as needed without any issues.

Installation process

The installation process of Mono on Debian 10 is quite straightforward. First, make sure that your system is up-to-date by running the following command:

“`bash

sudo apt update && sudo apt upgrade

“`

Once your system is up-to-date, you need to add the necessary Mono packages to your official Monos repositories.

You can do this by importing the GPG key for the Mono repository with the following command:

“`bash

sudo apt install gnupg ca-certificates

sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF

“`

After importing the GPG key, add the Mono repository to your system by running the following command:

“`bash

echo “deb https://download.mono-project.com/repo/debian stable-buster main” | sudo tee /etc/apt/sources.list.d/mono-official-stable.list

“`

Finally, update the package list and install the latest version of Mono with the following commands:

“`bash

sudo apt update

sudo apt install mono-complete

“`

Congratulations, you have successfully installed Mono on Debian 10! You can confirm this by checking the Mono version with the following command:

“`bash

mono –version

“`

Getting Started with Mono

Now that you have Mono installed on your system, it’s time to build a Hello World program. This is a simple program that prints the message “Hello, World!” to the terminal when executed.

Building a Hello World program

To create a Hello World program with Mono, you need to use the csc compiler. The csc compiler is a part of the Mono development tools and allows you to compile C# source code into an executable file.

First, open up a text editor and create a new file with the following code:

“`csharp

using System;

class Program

{

static void Main(string[] args)

{

Console.WriteLine(“Hello, World!”);

}

}

“`

Save this file as “helloworld.cs” in your home directory. Next, open up a terminal and navigate to your home directory with the following command:

“`bash

cd ~

“`

Compile the “helloworld.cs” file into an executable with the following command:

“`bash

csc helloworld.cs

“`

This will create a file named “helloworld.exe” in your home directory.

Finally, run the newly created executable by entering the following command:

“`bash

mono helloworld.exe

“`

Congratulations! You have built and executed your first program using Mono.

Conclusion

The installation and usage of Mono on Debian 10 has been discussed in detail in this article. Mono is an excellent tool for cross-platform development of C# and .NET-based applications.

By following the steps mentioned in this article, you can easily install Mono on your Debian 10 system, enabling you to create and execute C# programs. By building a simple Hello World program, you have gained a basic understanding of Mono and its usage.

We hope that this article has provided useful information for those looking to explore Mono and its capabilities. In summary, this article discussed the installation and usage of Mono – an open-source implementation of Microsoft’s .NET Framework – on Debian 10.

The article started with outlining the prerequisites for a successful installation, then described the installation process. Finally, step-by-step instructions were provided on building a Hello World program with Mono.

The importance of Mono for cross-platform application development was highlighted. The article’s main takeaway is that Mono is a powerful tool with a wide range of applications, and its installation and usage can be easily learned following the guidelines provided.

Overall, this article serves as a valuable resource for those looking to explore Mono and its capabilities.

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